<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
    layout:decorate="~{/layout/_layout1.html}">
<head>
    <title>threejs</title>
</head>

<body>
    <div layout:fragment="content"> 
    </div>

    
    <th:block layout:fragment="footerscript">
        <script src="/three.js"></script>
        <script>
            /**
             * 创建场景对象Scene
             */
            var scene = new THREE.Scene();
            /**
             * 创建网格模型
             */
            // var geometry = new THREE.SphereGeometry(60, 40, 40); //创建一个球体几何对象
            var geometry = new THREE.BoxGeometry(100, 100, 100); //创建一个立方体几何对象Geometry
            var material = new THREE.MeshLambertMaterial({
              color: 0x0000ff
            }); //材质对象Material
            var mesh = new THREE.Mesh(geometry, material); //网格模型对象Mesh
            scene.add(mesh); //网格模型添加到场景中
            /**
             * 光源设置
             */
            //点光源
            var point = new THREE.PointLight(0xffffff);
            point.position.set(400, 200, 300); //点光源位置
            scene.add(point); //点光源添加到场景中
            //环境光
            var ambient = new THREE.AmbientLight(0x444444);
            scene.add(ambient);
            // console.log(scene)
            // console.log(scene.children)
            /**
             * 相机设置
             */
            var width = window.innerWidth; //窗口宽度
            var height = window.innerHeight; //窗口高度
            var k = width / height; //窗口宽高比
            var s = 200; //三维场景显示范围控制系数，系数越大，显示的范围越大
            //创建相机对象
            var camera = new THREE.OrthographicCamera(-s * k, s * k, s, -s, 1, 1000);
            camera.position.set(200, 300, 200); //设置相机位置
            camera.lookAt(scene.position); //设置相机方向(指向的场景对象)
            /**
             * 创建渲染器对象
             */
            var renderer = new THREE.WebGLRenderer();
            renderer.setSize(width, height);//设置渲染区域尺寸
            renderer.setClearColor(0xb9d3ff, 1); //设置背景颜色
            document.body.appendChild(renderer.domElement); //body元素中插入canvas对象
            //执行渲染操作   指定场景、相机作为参数
            renderer.render(scene, camera);
        </script>
    </th:block>
</body>

</html>